in common/timestamp.py [0:0]
def __init__(self, unixtime: int) -> None:
if unixtime < 0:
raise InvalidTime(f"Unixtime cannot be negative: {unixtime}")
elif unixtime > 32503680000:
raise InvalidTime(f"Unixtime greater year 3000: {unixtime}")
self._time = int(unixtime)